LAN, Switching and Routing

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The switch stack running XE software version 03.03.02E has been upgraded to version 03.07.01E.After the stack came up the WLAN is inoperable, the 2...
2 min 37 sec ago
Hello,We cannot run C3KX-NM-10G at 1G mode for all 4 ports.3750x recognize(can work) only with two 1G GLC-LH-SM SFP modules in the same time, what...
43 min 58 sec ago
Hi,I have a running 6880-X VSS Pair. How do I get the Base Ethernet MAC Address of each 6880-X?Is there any CLI to get that?Thx!BR Konrad.
1 hour 47 min ago
I have this high Rcv-Err in some of the interfaces in 2960Switch. According to Cisco documentation it could be speed mismatch, but both ends were s...
4 hours 2 min ago
I have been reading for a few hours now and am having a difficult time determining what is an appropriate way to protect PIM on a generic user-faci...
10 hours 6 min ago
         
IP SLA 325 3 0 0 0
Routers 2 0 0 0 0
Switches 6733 569 6 1 0
Filter Results
Subject Views Votes Rating Replies Last replied by
discussion 3850 - after upgrade APs disabled
Last Reply 2 min 37 sec ago.
0 0 0 0 kpanduric
discussion Shutting Down VLAN1 for Security & switchport trunk native
Last Reply 9 min 4 sec ago.
8815 0 5 9 manishkumar.nav...
discussion C3KX-NM-10G at 3750x in 1G mode
Last Reply 43 min 58 sec ago.
0 0 0 0 VLISOVSKIY
discussion How to test local ssh/console credentials when switch is authenticating to RADIUS?
Last Reply 1 hour 10 min ago.
4 0 0 2 Traian Bratescu
discussion 6880-X VSS Pair / How to get the Base Ethernet MAC Address
Last Reply 1 hour 47 min ago.
0 0 0 0 Konrad Defranceschi
discussion Stack Two 2960X-PS-L with SFP cable
Last Reply 2 hours 13 min ago.
11 0 0 4 remy.borde
discussion Hulc LED Process
Last Reply 2 hours 23 min ago.
64056 3 5 29 Heba Elsherbiny
discussion high Rcv-Err in switch
Last Reply 3 hours 12 min ago.
0 0 0 0 chinpohpang851
discussion Catalyst 2960 not transmitting any data.
Last Reply 3 hours 13 min ago.
14 0 0 9 mark malone
discussion PE-CE Connectivity: Integrated IS-IS
Last Reply 3 hours 32 min ago.
766 0 5 7 Peter Paluch
discussion Subinterface for WAN connections - 2 ISPs - Cisco 1941 router
Last Reply 5 hours 11 sec ago.
456 0 5 11 amukwazhe
discussion Double NAT help needed
Last Reply 5 hours 37 min ago.
3 0 0 0 eaglesfan73@gma...
discussion Protecting Multicast PIM, BSR, or Auto-RP on the Access Layer?
Last Reply 10 hours 4 min ago.
0 0 0 0 Jonathan Schulenberg
discussion LAN_ VTP
Last Reply 11 hours 38 min ago.
24 0 4.5 6 alvinreddy
discussion Small office setup - T1 connection, 1 switch, & 1 router and DHCP server config info
Last Reply 13 hours 10 min ago.
25 0 0 6 rival9217
discussion why is port security errdisabling a small number of ports with no obvious fault?
Last Reply 14 hours 26 min ago.
52 0 5 3 rosaho
discussion Cisco 2511-RJ Issue
Last Reply 14 hours 27 min ago.
26 0 0 4 rosaho
discussion 4507R+E when conneted 10G fiber sup status led goes orange
Last Reply 14 hours 28 min ago.
68 0 1 7 rosaho
discussion Using a Cisco 1941/K9 configured "Router-on-a-Stick" down to a Cisco 2960 Switch with 11 VLANs
Last Reply 14 hours 32 min ago.
302 0 0 5 rosaho
discussion Details for the load balancing algo used in a cisco 200 series switch - ip-mac algo to select a port?
Last Reply 14 hours 33 min ago.
19 0 0 1 rosaho
discussion how to configure netflow on cisco 7304 for ipv4 and ipv6
Last Reply 14 hours 34 min ago.
30 0 0 1 rosaho
discussion dot1x and ACS 5.2
Last Reply 14 hours 35 min ago.
81 0 5 4 rosaho
discussion Cisco 2620XM IPv6 support
Last Reply 14 hours 36 min ago.
66 0 0 1 rosaho
discussion telnet access issue
Last Reply 14 hours 37 min ago.
31 0 0 1 rosaho
discussion IOS switch image
Last Reply 14 hours 39 min ago.
5 0 0 1 rosaho
Filter Results
Subject Views Rating Comments Author
Error Message:%ILPOWER-3-CONTROLLER_PORT_ERR: Controller port error, Interface <interface> Power Controller reports power Imax error detected
Last Reply 4 days 16 hours ago.
13472
5.0
4 Sivagami Narayanan
Running 40 routers with IOU in 4GB RAM
Last Reply 5 days 13 hours ago.
19
0.0
0 Sudeb Das
"Etherchannel Loadbalancing on Catalyst Switches"
Last Reply 1 week 6 days ago.
20902
5.0
3 Souvik Ghosh
SSH version 2 no IOS cat4000-i5s-mz.122-25.EWA14.bin
Last Reply 2 weeks 3 days ago.
20
0.0
1 Sergio Alvares
Cisco Nexus 7000 / 7700 Line Cards
Last Reply 2 weeks 3 days ago.
54
0.0
0 Shaun Hummel
Egress QOS
Last Reply 4 weeks 2 hours ago.
52970
5.0
13 somgupta
Virtual switching system (VSS) Configuration For Cisco 4500 series switches
Last Reply 1 month 4 days ago.
50296
4.7
51
Cisco 891 fresh configuration/management without console cable
Last Reply 1 month 2 weeks ago.
25
0.0
0 totardo.tobing11
3850x VLAN Switch Port Active but no MAC or IP Address
Last Reply 1 month 2 weeks ago.
126
0.0
2 TOM FRANCHINA
How to define the VLANs allowed on a trunk link
Last Reply 1 month 2 weeks ago.
39
0.0
0 KHALEELUR RAHMAN.A
unable to ping pc from (vlan-A) to pc on (vlan-B)
Last Reply 1 month 3 weeks ago.
35
0.0
0 minestraschaos1
The VLAN goes to the administratively down state if two or more VLANs are configured
Last Reply 2 months 1 day ago.
25880
3.7
4 TCC_2
Importance of BPDU Guard and BPDU Filter !!
Last Reply 2 months 1 day ago.
96602
4.7
12 ganeshh.iyer
The "%SPANTREE-SP-2-RECV_BAD_TLV:" error Cat 6500 Cisco IOS system software
Last Reply 2 months 5 days ago.
4127
0.0
0 TCC_2
3850 Boot Mode
Last Reply 2 months 6 days ago.
1627
0.0
1 Collin Clark
LICENSING on 2900/3500/3700
Last Reply 2 months 1 week ago.
18757
0.0
3 ranraju
Router Cisco 2921 auto reboot
Last Reply 2 months 2 weeks ago.
81
0.0
4 npsangvt1
ICANN: Name Collision Occurrence Management Framework. Special IP Address127.0.53.53
Last Reply 2 months 2 weeks ago.
51
0.0
0 josecesp
Spanning Tree Loop Troubleshooting and Safeguards
Last Reply 2 months 2 weeks ago.
48126
5.0
2 James D Hensley
Understanding Ethernet Virtual Circuits (EVC)
Last Reply 2 months 3 weeks ago.
292827
5.0
37
The "%C4K_SWITCHMANAGER-4-S2WERRORREPORT" error message appears in the logs of a Cisco Catalyst 4500 Switch, and affects the functionality of PoE line cards
Last Reply 2 months 3 weeks ago.
8170
0.0
1 TCC_2
Password Recovery on Cisco Catalyst 3850
Last Reply 3 months 22 hours ago.
3818
0.0
3 Collin Clark
Configuring a router Eth int or SVI to be a DHCP client
Last Reply 3 months 1 day ago.
4548
4.0
0 TCC_2
The card in a fixed hardware configuration Cat chassis functions improperly, not online
Last Reply 3 months 1 day ago.
635
0.0
0 TCC_2
How to configure a Flex Link for link-level redundancy in Cat switches that run IOS
Last Reply 3 months 1 day ago.
11468
0.0
0 TCC_2
Filter Results
Subject Views Rating Comments Author
blog Output drops due to QoS on 2960/3560/3750 switches
Last Reply 3 weeks 4 days ago.
25748
5.0
1 Shashank Singh
blog How do etherchannel HASH algorithm works and LOAD DISTRIBUTION happen?
Last Reply 6 months 17 hours ago.
19842
4.6
12 jakula
blog License Activation on 4500
Last Reply 9 months 2 weeks ago.
331
0.0
1 sheraz butt
blog Nexus 7000 and IOS OSPF Loop Prevention and Interoperability
Last Reply 9 months 2 weeks ago.
7306
5.0
7 Robert Taylor
blog How to build the topology of an OSPF area
Last Reply 1 year 1 week ago.
2444
5.0
5 Aninda Chatterjee
blog Booting Cisco Router from a TFTP server
Last Reply 1 year 1 week ago.
18029
5.0
3 ajaju
blog Loading an IOS on a switch via Xmodem
Last Reply 1 year 1 month ago.
47035
5.0
7 Aninda Chatterjee
blog Configuring a frame-relay switch
Last Reply 1 year 2 months ago.
6466
5.0
7 Aninda Chatterjee
blog Upcoming Ask the Expert Event Featuring Ahmad Manzoor - Senior Pre-Sales Engineer at AGCN
Last Reply 1 year 2 months ago.
394
5.0
0 Francine Richards
blog Upcoming Ask the Expert Event with Cisco Designated VIP Marwan Al-shawi May 12-23
Last Reply 1 year 2 months ago.
9
0.0
0 Francine Richards
blog Cisco WCCP with Bluecoat (Multicast mode)
Last Reply 1 year 2 months ago.
119
0.0
0 vishal_2007
blog OSPF over IPsec Tunnel stucks in INIT state
Last Reply 1 year 3 months ago.
377
5.0
0 hsticher
blog Pre-build SPT feature on Nexus - Benefits & Caveats
Last Reply 1 year 3 months ago.
1407
5.0
0 srereddy
blog Link de-bounce timer operation when used on SFP+ ports on Nexus switches
Last Reply 1 year 3 months ago.
756
5.0
2 srereddy
blog Flexlink in Cisco Layer 2 network
Last Reply 1 year 3 months ago.
115
5.0
0 jakula
blog Community Tech-Talk Series: Troubleshooting High CPU due to Multicast
Last Reply 1 year 4 months ago.
8210
5.0
9 rucjain
blog Chalk Talk: The Secret to Successful QoS Deployments: A Well-Defined End-to-End QoS Strate
Last Reply 1 year 4 months ago.
289
0.0
0 Julie Burruss
blog Switch: How to test a cable status?
Last Reply 1 year 4 months ago.
7046
5.0
3 Anand G
blog Difference between N7K-M132XP -12 and N7K-M132XP -12L
Last Reply 1 year 7 months ago.
514
0.0
1 Ramu Gajula
blog About "TestErrorCounterMonitor" in 6500/7600
Last Reply 1 year 11 months ago.
2006
4.7
1 Anand G
blog Parity Error.
Last Reply 2 years 3 days ago.
2363
4.5
4 InayathUlla Sharieff
blog Nexus 7000 ACL logging (OAL)
Last Reply 2 years 3 weeks ago.
16580
5.0
7 Robert Taylor
blog Multicast for the heart Part I: IGMP
Last Reply 2 years 8 months ago.
4373
4.8
1 Aninda Chatterjee
blog Router Crashes
Last Reply 2 years 9 months ago.
5906
5.0
1 ajaju
blog Leak Map - Eigrp, Some leaks are useful..
Last Reply 3 years 2 weeks ago.
11072
5.0
7 pnagpal
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